Adjustable shelf



FIG. 1 is a perspective back view of an adjustable shelf of the present invention;

FIG. 2 is a top side view of the adjustable shelf;

FIG. 3 is a bottom side view of the adjustable shelf;

FIG. 4 is a back side view of the adjustable shelf;

FIG. 5 is a front side view of the adjustable shelf;

FIG. 6 is a left side view of the adjustable shelf; and,

FIG. 7 is a right side view of the adjustable shelf.

Portions in the drawings shown in dashed lines do not form part of the claimed invention. 

CLAIM The ornamental design for the adjustable shelf, as shown and described. 